/*
 * Copyright 2017 HugeGraph Authors
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.baidu.hugegraph.computer.core.worker;

import com.baidu.hugegraph.computer.core.aggregator.Aggregator4Worker;
import com.baidu.hugegraph.computer.core.config.Config;

/**
 * Algorithm's computation context. Used by algorithm's computation except
 * compute a vertex. Algorithm's computation can get(or set) aggregator and
 * config from this context.
 */
public interface WorkerContext extends ComputationContext,
                                       Aggregator4Worker {

    /**
     * Get config. The config remains immutable during the whole computation
     * process.
     */
    Config config();
}
